Cooler Master has just recently officially introduced the newest member of its MasterWatt family of power supplies, the 1.2kW MasterWatt Maker 1200 MIJ (MPZ-C002-AFBAT). MIJ stands for Made In Japan (by Murata) and Cooler Master state they have spent over 165000 hours on it, working with 40 engineers. That would be more than a year so while not impossible, it still seems quite long. Though the recommended price of 909 USD would reflect that. In Europe it already sells for 999 which is even more extreme price.

The unit is 80 PLUS Titanium certified but it still uses analog topology. That is most likely one of the reasons why they had to use such high-end Japanese components to bring the efficiency, semi-fanless operation up to 50% load and also reliability to cover the MasterWatt Maker 1200 MIJ with 10-year warranty. Together with the fact it is fully-modular unit, it also counts for the extreme price. Its 135mm Silencio FP fan however does not promise silent operation under full load, when according to CM the speed can reach 2500 RPM. Indeed, 2500 RPM for 135mm fan, that’s most likely very close to sound level of helicopter. So it is intended more for users who keep the load under 1 kW. Unfortunately when you then count the price per watt you will actually use, the numbers are even worse. But this is niche market after all, not for average user.

The unit itself is quite large, being 224 mm long. It offers full power output on the single +12V rail itself and 130 W combined from +3.3/+5 V through DC-DC buck regulators (where each delivers 25 A itself). The stand-by rail is slightly more powerful than usual, which makes sense coming in so high rated unit, providing up to 3.5 A. The MasterWatt Maker 1200 MIJ comes with twelve 6+2pin PCIe connectors and two EPS, all using 16AWG wiring. Then there are 16 SATA, 12 peripheral Molex and single floppy Berg.